726263 has 4 divisors (see below), whose sum is σ = 728520. Its totient is φ = 724008.

The previous prime is 726221. The next prime is 726287. The reversal of 726263 is 362627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726263 - 2⁸ = 726007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 1322.

It is an arithmetic number, because the mean of its divisors is an integer number (182130).

2⁷²⁶²⁶³ is an apocalyptic number.

726263 is a deficient number, since it is larger than the sum of its proper divisors (2257).

726263 is a wasteful number, since it uses less digits than its factorization.

726263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256.

The product of its digits is 3024, while the sum is 26.

The square root of 726263 is about 852.2106547093. The cubic root of 726263 is about 89.8872250008.

It can be divided in two parts, 726 and 263, that added together give a palindrome (989).

The spelling of 726263 in words is "seven hundred twenty-six thousand, two hundred sixty-three".